Added tool which shows files which are modified and differ from original.
Separated file contents handling to separate unit.
Renamed WatchedFilename struct better.
Print errors to stderr.
Handle freeing of file contents.
Treat warnings as errors and include more warnings.
Use poll() to watch the files.
Change executable name from change-notifier to statefs-change-notifier.
Added yaml file and install configs for rpm building.
Ignore rpm build artifacts.
Added README file for the tool.
Added copyright headers to source files.
Removed pipe char from rpm's description.
Merge pull request #8 from jhakonen/notifier-tool

Added change notifier tool.